Sometimes when updating the launcher, the updated files can be damaged while they are downloading due to unstable network latency issues.
In these cases, you can use the ‘Check File’ button on the launcher in order to download and repair the damaged files, which will resolve the problem.

You can find the [Black Desert Operation Policy] and [Terms of Service] at the bottom of the main page of Black Desert Official website.
You can also check out the [Privacy Policy] on our main homepage as you can see in the picture below.